亚洲AV成人片无码网站玉蒲团,男人10处有痣是富贵痣,AV亚洲欧洲日产国码无码苍井空,日韩午夜欧美精品一二三四区

上海境宣實業有限公司
中級會員 | 第16年

17601355022

當前位置:上海境宣實業有限公司>>日本光明北川式氣體檢測管>>氣體快速檢測管>> 135SB四氯乙烯Cl2C=CCl2氣體測毒管135SB TETRACHLOROETHYLENE 0.2-10

四氯乙烯Cl2C=CCl2氣體測毒管135SB TETRACHLOROETHYLENE 0.2-10

參  考  價面議
具體成交價以合同協議為準

產品型號135SB

品       牌

廠商性質代理商

所  在  地上海市

更新時間:2024-12-19 10:32:58瀏覽次數:1831次

聯系我時,請告知來自 化工儀器網
四氯乙烯Cl2C=CCl2氣體測毒管135SB TETRACHLOROETHYLENE 0.2-10ppm,苯、甲苯、 二甲苯、氨、TVOC室內氣體檢測管主營產品包括甲醛檢測管,苯檢測管,甲苯檢測管,二甲苯檢測管等,適用于居民家庭,監理治理公司,裝修裝潢公司,建筑公司,車間廠礦等.

四氯乙烯Cl2C=CCl2氣體測毒管135SB TETRACHLOROETHYLENE 0.2-10ppm

1. PERFORMANCE
1) Measuring range :1-10 ppm 0.2-2.0 ppm
Number of pump strokes 1(100ml) 4(400ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :0.1 ppm(400ml)
4) Shelf life :1 year (Necessary to store in a refrigerated place ; 0~10℃)
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Pale orange→Blueish purple
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
By reacting with an Oxidizer, Hydrogen chloride is produced and PH indicator is discoloured.
CI2C=CCI2+PbO2+H2SO4→HCI
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
10
9
8
7
6
5
4
3
2
1
ppm
100ml
GAS To pump
OXIDIZER
(Grey)
Tube No.
135SB TETRACHLOROETHYLENE
Substance Interference ppm Coexistence
Trichloroethylene FIG.1 Similar stain is produced. 2 Higher readings are given.
1,2-Dichloroethylene FIG.2 〃2 〃
Hydrogen chloride 〃2 〃
Vinyl chloride 〃40 〃
0
10
5
Trichloroethylene〔ppm〕?
FIG.1 Influence of Trichloroethylene
Tetrachloroethylene
indicating value 〔ppm〕
5 10
Coexistence
Interference
0
10
5
1,2-Dichloroethylene〔ppm〕?
FIG.2 Influence of 1,2-Dichloroethylene
Tetrachloroethylene
indicating value 〔ppm〕
5 10
Coexistence
Interference
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
10 12.5 11.3 10.0 9.4 8.7
9 11.9 10.5 9.0 8.5 7.9
8 9.4 8.7 8.0 7.5 7.0
7 8.2 7.6 7.0 6.6 6.2
6 7.0 6.5 6.0 5.6 5.2
5 5.8 5.4 5.0 4.8 4.3
4 4.6 4.3 4.0 3.8 3.5
3 3.5 3.3 3.0 2.8 2.6
2 2.3 2.2 2.0 1.9 1.7
1 1.1 1.1 1.0 1.0 0.9
(NOTE)
In case of 4 pump strokes, following formula is available for the actual concentration.
Actual concentration=1/5×Temperature corrected value

會員登錄

×

請輸入賬號

請輸入密碼

=

請輸驗證碼

收藏該商鋪

X
該信息已收藏!
標簽:
保存成功

(空格分隔,最多3個,單個標簽最多10個字符)

常用:

提示

X
您的留言已提交成功!我們將在第一時間回復您~
撥打電話
在線留言